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3a2c080cbe
The part of test_topology_ops that tests the cdc_streams_check_and_repair request could (at least in theory) fail on `assert(len(gen_timestamps) + 1 == len(new_gen_timestamps))` after introducing the CDC generation publisher because we can no longer assume that all previously committed CDC generations have been published before sending the request. To prevent flakiness, we move this part of the test to test_cdc_generations_are_published. This test allows for ensuring that all previous CDC generations have been published. Additionally, checking cdc_streams_check_and_repair there is simpler and arguably fits the test better.